Fujitsu AB*14LBAJ Service Instruction page 87

SERVICE PARTS INFORMATION 2
Inverter Compressor
Check Point 1 : Check Connection
Check terminal connection of Compressor
(loose or incorrect wiring)
Terminal cover opened
S
(WHITE)
Check Point 2 : Check Winding Resistance
Check winding resistance of each terminal
If the resistance value is 0
C
R
Check Point 3 : Replace Main PCB
If the symptom does not change with above Check 1, 2, replace Main PCB.
C
(BLACK)
R
(RED)
or infinite, replace Compressor.
Resistance Value : 0.97
S
Check connection of Main PCB
(Loose or incorrect wiring)
MAIN PCB
WHITE
( at 20°C )
02-54
W305
W304 W303
RED
BLACK
Compressor